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It is not just in fractions. In general, division can be defined as multiplication by the reciprocal. For example, dividing by 5 is the same as multiplying by 0.2. However, it is mainly in calculations with fractions that this is normally used as a practical way of doing the calculations.

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Q: Why do you need to find the reciprocal of the divisor when dividing a fraction?
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Related questions

How do you use the reciprocal of the divisor to find the answer to a division problem?

Multiply the reciprocal of the divisor by the dividend.


Dividing one third is the same as multiplying by what number?

Dividing by any fraction is the same as multiplying by that fraction's reciprocal. To find a fraction's reciprocal on a calculator, simply raise the fraction to the power of -1. In this case, dividing by 1/3 is the same as multiplying by (1/3)-1 = 3. For example, 8 / 1/3 = 8 x 3 = 24


Do you find the reciprocal in a fraction multiplication?

To get the reciprocal of a fraction, exchange the numerator and denominator.


Why do you find the reciprocal of fractions when dividing?

Most people find multiplication by a fraction easier than dividing by a fraction. Dividing by a fraction is equivalent to multiplying by its reciprocal. For example, 10 / (3/4) would require you to divide by 3/4. How many three-quarters in ten? Hmmm... Not that easy. Instead, try multiplying by 4/3 Much easier: 10*(4/3) = 40/3 = 13.33...


What ia a reciprocal fraction?

The reciprocal of the fraction is simply the fraction raised to the -1 power. Simply "flip the fraction upside down" to find the reciprocal. e.g. 3/23 has a reciprocal of 23/3.


When dividing mass and volume which is the divisor?

The divisor is the number doing the dividing, rather than the number being divided. For example, in the problem 144/12, 12 is dividing into 144, so 12 is the divisor. If you are dividing mass by volume to attempt to find density, the volume measurement will be the divisor.


What is reciprocal of 3?

1/3. The fraction for 3 is 3/1, and to find a reciprocal, you have to flip the fraction.


How do you find the quotient in fractions?

When dividing two fractions, multiply the first fraction by the second fraction's reciprocal. 2/3 divided by 3/4 = 2/3 x 4/3


How do you find the reciprocal of a whole number?

To find the reciprocal of a whole number, you must first write it as a fraction. You do this by writing x/1, if the number is 4, it would be 4/1. Then you would find the reciprocal of that fraction. So using the same example, the reciprocal of 4 is 1/4.


How do you find the reciprocal of onehalf?

To find the reciprocal of a fraction, you turn it upside down. So the reciprocal of 1/2 is 2/1, or just 2.


When dividing fractions you multiply by the reciprocal of this fraction?

Yes. For example, if you're trying to find our 5/9 divided by 4/8, you multiply 5/9 by 8/4, giving you 40/36. (In most cases, simplification is necessary.)


What is the reciprocal number?

A reciprocal of a number is the value you get by dividing 1 by the number. For example, if you want to find the reciprocal of 10, then you divide 1 by 10 and you get 1/10. You can find the reciprocal of a fraction as well. Thus if you want the reciprocal of 1/10 then you divide 1 by 1/10 which is (1)/(1/10) which yields the original number we started with, namely 10. So 10 and 1/10 are reciprocals of each other. Note also that multiplying any number by its reciprocal will always yield 1.


How do you find the quotient by dividing two improper fractions?

Multiply by the second fraction's reciprocal. 7/4 divided by 8/5 = 7/4 x 5/8


How do you find the reciprocal in a fraction?

Switch the numerator with the denominator.


What is the reciprocal of a number?

the reciprocal of a number is 1 divided by the number. if you want to find the reciprocal of a fraction you would need to swap the fraction numbers around and then multiply by 1. and then divide the answer.It is 1 divided by the number.


When the numerator and denominator of a fraction are switched the new fraction is called?

It is called the reciprocal of a fraction when the fraction is turned upside down.To find reciprocal of a mixed number, convert the whole number to the fraction and create an improper fraction: 22/4 becomes 10/4 and the reciprocal is 4/10


Find the reciprocal for two fifths?

5/2 To find the reciprocal, you flip the top (numerator) and bottom (denominator) of the fraction.


How do you find the reciprocal?

The reciprocal of a number is what the original number is multiplied by to get 1. To find this you can simply divide 1 by the number you want the reciprocal for or, if the number is in fraction form, switch the denominator and numerator.


What is reciprocal of a number?

The reciprocal is the inverse of a number, or n-1. To find a reciprocal, change the number to a fraction and invert the numerator and the denominator.


How do you find the reciprocal of a whole number and a fraction?

Number x Reciprocal = 1 Therefore Reciprocal = 1/Number


What is the reciprocal of twelve percent?

Twelve percent is equivalent to the fraction 12/100. To find the reciprocal of a number, you take its fraction form and switch the numerator (top) and denominator (bottom). So the reciprocal of 12% is 100/12.


What is the reciprocal of 2 over 13?

To find the reciprocal of a fraction, simply flip the fraction. So the reciprocal of 2 over 13 is 13 over 2. 2/13 ---> 13/2


How do you find the reciprocal of 15?

Do a long division of dividing 1.0000.. by 15. The answer is 0.0666...


How can you use multiplicaion fact to find division fact?

you can use multiplication facts to find division facts by dividing your divisor and your quotient to find your answer.


How do you find an equivalent fraction by dividing?

By dividing the numerator and the denominator of the fraction by the same number as for example 4/16 = 2/8 = 1/4